STEVEN ATER DO
NPI 1487238853
Obstetrics & Gynecology in Phoenix, AZ

Q: What is Steven Ater's NPI number?

The NPI number for Steven Ater is 1487238853. It was assigned to this individual provider in the NPPES registry on May 11, 2021.

Q: What is Steven Ater's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Steven Ater was last updated on December 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 11, 2021PECOS EnrolledAccepts Medicare Assignment

1441 N 12TH ST, PHOENIX, AZ 85006(602) 521-5700 Get Directions Write a Review

NPPES record last updated: December 23, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 23, 2025, May 11, 2021 (2 updates tracked since 2021).

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About Steven Ater Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEVEN ATER DO (NPI 1487238853) is an individual obstetrics & gynecology provider in Phoenix, Arizona, licensed in Michigan (5151014831) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2021).

NPPES Registry Identity

NPI1487238853

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameSTEVEN ATERCredential: DO

Location Address1441 N 12TH STPhoenix, AZ 85006-2837

Mailing Address1441 N 12th StPhoenix, AZ 85006-2837

Phone(602) 521-5700

Sole ProprietorNo

Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2021

Enumeration DateMay 11, 2021

Last NPPES UpdateDecember 23, 20252 updates tracked since enumeration

NPPES CertifiedDecember 23, 2025

✔ NPI 1487238853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in MI · 5151014831✔ Licensed in AZ · 012102

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

1441 N 12TH ST, Phoenix, AZ 85006

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Steven Ater Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42619645

PECOS Enrollment IDI20260216003214

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$69.24 typical visit price

range $17.72 – $137.41

Typical copayment $17.31 (range $4.43 – $34.35)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LINDSEY RENTERIA NP

Nurse Practitioner